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This vulnerability affects Firefox < 63, Firefox ESR < 60.3, and Thunderbird < 60.3."},{"lang":"es","value":"Se ha encontrado una vulnerabilidad potencial en los builds de 32 bit en la que un desbordamiento de enteros durante la conversión de scripts en una representación UTF-16 interna podría conducir a la asignación de un búfer demasiado pequeño para dicha conversión. Esto conduce a una escritura fuera de límites. *Nota: las builds de 64 bits no son vulnerables a este problema.*. Esta vulnerabilidad afecta a las versiones anteriores a la 63 de Firefox, las versiones anteriores a la 60.3 de Firefox ESR y las versiones anteriores a la 60.3 de Thunderbird."}],"metrics":{"cvssMetricV30":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","baseScore":5.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":10.0,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-190"},{"lang":"en","value":"CWE-787"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:x86:*","versionEndExcluding":"63.0","matchCriteriaId":"2C349432-5B62-4790-AD05-5868C22BC547"},{"vulnerable":true,"criteria":"cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:x86:*","versionEndExcluding":"60.3","matchCriteriaId":"E6F9C37F-B016-4524-ADD0-1B25AD99148C"},{"vulnerable":true,"criteria":"cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:x86:*","versionEndExcluding":"60.3","matchCriteriaId":"05F03988-F0DB-4E29-BE28-030BEE8692CC"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*","matchCriteriaId":"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"},{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*","matchCriteriaId":"DEECE5FC-CACF-4496-A3E7-164736409252"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*","matchCriteriaId":"B5A6F2F3-4894-4392-8296-3B8DD2679084"},{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","matchCriteriaId":"F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B"},{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","matchCriteriaId":"23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D"},{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*","matchCriteriaId":"07C312A0-CD2C-4B9C-B064-6409B25C278F"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*","matchCriteriaId":"EE249E1B-A1FD-4E08-AA71-A0E1F10FFE97"},{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*","matchCriteriaId":"33C068A4-3780-4EAB-A937-6082DF847564"},{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*","matchCriteriaId":"9BBCD86A-E6C7-4444-9D74-F861084090F0"},{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*","matchCriteriaId":"51EF4996-72F4-4FA4-814F-F5991E7A8318"},{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*","matchCriteriaId":"B353CE99-D57C-465B-AAB0-73EF581127D1"},{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*","matchCriteriaId":"BF77CDCF-B9C9-427D-B2BF-36650FB2148C"},{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*","matchCriteriaId":"B76AA310-FEC7-497F-AF04-C3EC1E76C4CC"},{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*","matchCriteriaId":"E5ED5807-55B7-47C5-97A6-03233F4FBC3A"},{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*","matchCriteriaId":"825ECE2D-E232-46E0-A047-074B34DB1E97"}]}]}],"references":[{"url":"http://www.securityfocus.com/bid/105718","source":"security@mozilla.org","tags":["Third 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